83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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//! \addtogroup op_inv_spd
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//! @{
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class op_inv_spd_default
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: public traits_op_default
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{
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public:
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template<typename T1>
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inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_inv_spd_default>& in);
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template<typename T1>
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inline static bool apply_direct(Mat<typename T1::elem_type>& out, const Base<typename T1::elem_type,T1>& expr);
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};
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class op_inv_spd_full
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: public traits_op_default
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{
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public:
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template<typename T1>
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inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_inv_spd_full>& in);
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template<typename T1, const bool has_user_flags = true>
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inline static bool apply_direct(Mat<typename T1::elem_type>& out, const Base<typename T1::elem_type,T1>& expr, const uword flags);
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template<typename eT>
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arma_cold inline static bool apply_tiny_2x2(Mat<eT>& X);
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template<typename eT>
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arma_cold inline static bool apply_tiny_3x3(Mat<eT>& X);
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template<typename eT>
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arma_cold inline static bool apply_tiny_4x4(Mat<eT>& X);
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};
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template<typename T>
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struct op_inv_spd_state
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{
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uword size = uword(0);
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T rcond = T(0);
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bool is_diag = false;
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};
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class op_inv_spd_rcond
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: public traits_op_default
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{
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public:
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template<typename T1>
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inline static bool apply_direct(Mat<typename T1::elem_type>& out_inv, op_inv_spd_state<typename T1::pod_type>& out_state, const Base<typename T1::elem_type,T1>& expr);
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};
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//! @}
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